Home / 1,808,820.60-2,710,898.10-1,386,000.60

Finding the Fourth Proportional to 1,808,820.60, 2,710,898.10 and 1,386,000.60

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Solution

The fourth proportional to 1,808,820.60, 2,710,898.10 and 1,386,000.60 is: 2,077,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,820.60 : 2,710,898.10 = 1,386,000.60 : x
  2. Step 2: Convert to fraction form
    1,808,820.60/2,710,898.10 = 1,386,000.60/x
  3. Step 3: Cross multiply
    1,808,820.60x = 2,710,898.10 × 1,386,000.60
  4. Step 4: Simplify right side
    1,808,820.60x = 3,757,306,393,138.86
  5. Step 5: Solve for x
    x = 3,757,306,393,138.86/1,808,820.60
  6. Step 6: Final answer
    x = 2,077,213.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.